Question

QUIZ (1371)
Materi: Operasi Hitung

Jika x = 71, y = 13, dan z = x - y. Tentukan hasil pengurangan yz dari xy !​​

Answer 1

Diketahui: x = 71, y = 13, z = x - y

Hasil pengurangan yz dari xy:

xy - yz = xy - y(x - y)

            = xy - yx - y²

            = y²

            = 13²

            = 169[tex] [/tex]

⌗SDaze ⋆࿐໋₊

Answer 2

Algebra

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Cara Pertama

[tex]\begin{aligned} xy - yz &= xy - y(x-y)\\&=(71)(13)- (13)(71-13)\\&=(71)(13)- (13)(58) \\&= 923 - 754 \\&= \boxed{\bold{\underline{169}}} \end{aligned}[/tex]

Cara Kedua

[tex]\begin{aligned} xy - yz &= xy - y(x-y) \\&= xy - xy + y^2 \\&= y^2 \\&= 13^2 \\&= \boxed{\bold{\underline{169}}} \end{aligned}[/tex]

[tex]\begin{array}{lr}\texttt{Selamat Hari Keterbukaan Informasi Nasional}\end{array}[/tex]

[tex]\boxed{\colorbox{ccddff}{Answered by Danial Alf'at | 30 - 04 - 2023}}[/tex]